In this specific exercise, "реку" acts as a descriptive appositive for the proper name "Волгу." Where to Find Full Solutions
If a common noun (like река ) comes a proper name ( Волга ), you generally do not use a hyphen. In this specific exercise, "реку" acts as a
Река Кама впадает в великую русскую (река) Волгу. The Correct Answer: In this specific exercise
Provides a clear view of the corrected text and the grammatical reasoning behind the punctuation. a hyphen is required.
The appositive usually agrees with the noun it describes. In this example, both "реку" and "Волгу" are in the Accusative case (винительный падеж) because they follow the preposition "в." Punctuation with Names:
If the proper name comes first (e.g., Волга-река ), a hyphen is required.